PHP数据库操作类，对PDO进行了非常好的包装，可以简化对数据库的操作。-PHP database operations category, on the PDO had a very good packaging, can be simplified on the database operation.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001264s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.087403s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001327s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001960s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001193s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003677s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001007s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003233s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015061s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001363s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 36362 [ RunTime:0.001285s ]
